9. Two complementary angles are in the ratio 2:3. Find the angles.
10. Two supplementary angles are in the ratio 4:5. Find the angles.
please ans fast
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9. Two complementary angles are in the ratio 2:3. Find the angles.
10. Two supplementary angles are in the ratio 4:5. Find the angles.
please ans fast
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Answer:
Two angles whose sum is 90
o
are said to be complementary.
Given two angles are in the ratio of 2:3.
Let the two angles be 2x and 3x.
So, 2x+3x=90
o
⇒5x=90
o
⇒x=
5
90
⇒x=18
Therefore, the two angles are 2x=36
o
and 3x=54
o
.
Answer:
9=36 and 54
10=80 and 100